Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/test/fixedbugs/issue20529.go b/test/fixedbugs/issue20529.go
new file mode 100644
index 0000000..eeaaf37
--- /dev/null
+++ b/test/fixedbugs/issue20529.go
@@ -0,0 +1,21 @@
+// errorcheck
+
+// +build amd64
+
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 20529: Large stack frames caused compiler panics.
+// Only tested on amd64 because the test only makes sense
+// on a 64 bit system, and it is platform-agnostic,
+// so testing one suffices.
+
+package p
+
+import "runtime"
+
+func f() { // GC_ERROR "stack frame too large"
+	x := [][]int{1e9: []int{}}
+	runtime.KeepAlive(x)
+}